blob: 1318c86d202a70d0c4dd92da7785f55268a9a663 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <mutex>
// template <class Mutex> class unique_lock;
// void unlock();
#include <mutex>
#include <cassert>
bool unlock_called = false;
struct mutex
{
void lock() {}
void unlock() {unlock_called = true;}
};
mutex m;
int main()
{
std::unique_lock<mutex> lk(m);
lk.unlock();
assert(unlock_called == true);
assert(lk.owns_lock() == false);
try
{
lk.unlock();
assert(false);
}
catch (std::system_error& e)
{
assert(e.code().value() == EPERM);
}
lk.release();
try
{
lk.unlock();
assert(false);
}
catch (std::system_error& e)
{
assert(e.code().value() == EPERM);
}
}
|